YARN-9469. Fix typo in YarnConfiguration.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -1470,7 +1470,7 @@ public class YarnConfiguration extends Configuration {
       + "pmem-check-enabled";
   public static final boolean DEFAULT_NM_PMEM_CHECK_ENABLED = true;
 
-  /** Specifies whether physical memory check is enabled. */
+  /** Specifies whether virtual memory check is enabled. */
   public static final String NM_VMEM_CHECK_ENABLED = NM_PREFIX
       + "vmem-check-enabled";
   public static final boolean DEFAULT_NM_VMEM_CHECK_ENABLED = true;